518035497

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{887}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 838200960

約数和(自身を除く): 320165463

約数列:

[1, 3, 7, 21, 29, 49, 87, 137, 147, 203, 411, 609, 887, 959, 1421, 2661, 2877, 3973, 4263, 6209, 6713, 11919, 18627, 20139, 25723, 27811, 43463, 77169, 83433, 121519, 130389, 180061, 194677, 364557, 540183, 584031, 850633, 1260427, 2551899, 3524051, 3781281, 5954431, 10572153, 17863293, 24668357, 74005071, 172678499, 518035497]

約数ペア:

[(1, 518035497), (3, 172678499), (7, 74005071), (21, 24668357), (29, 17863293), (49, 10572153), (87, 5954431), (137, 3781281), (147, 3524051), (203, 2551899), (411, 1260427), (609, 850633), (887, 584031), (959, 540183), (1421, 364557), (2661, 194677), (2877, 180061), (3973, 130389), (4263, 121519), (6209, 83433), (6713, 77169), (11919, 43463), (18627, 27811), (20139, 25723)]